<template>
    <div class='icons'>
        <swiper :options="swiperOption">
            <swiper-slide v-for='(page,index) of pages' :key='index'>
                <div class="icon" v-for='item of page' :key='item.id'>
                    <div class='icon-img'>
                        <img class='icon-img-content'
                    :src='item.imgUrl' />
                    </div>
                    <p class='icon-desc'>{{item.desc}}</p>
                </div>
            </swiper-slide>
        </swiper>
    </div>
</template>

<script>
export default {
    name:'HomeIcons',
    props: {
        list: Array
    },
    data () {
        return{
            swiperOption: {
                autoplay:0
            }
        }
    },
    computed: {
        pages () {
            const pages = []
            this.list.forEach((item,index)=>{
                const page = Math.floor(index / 8)
                if (!pages[page]){
                    pages[page] = []
                }
                pages[page].push(item)
            })
            return pages;
        }
    }
}
</script>

<style lang='stylus' scoped>
    @import "~styles/varibles.styl"
    @import "~styles/mixins.styl"
    .icons >>> .swiper-container   
        height : 0
        padding-bottom: 50%  
    .icons
        margin-top :.1rem
        .icon
            position : relative
            overflow : hidden
            float:left
            width : 25%
            height :0
            padding-bottom : 25%
            .icon-img
                position : absolute
                top :0
                left :0
                right :0
                bottom: .44rem
                box-sizing: border-box
                padding : .1rem
                .icon-img-content
                    display : block 
                    margin : 0 auto
                    height : 100%
            .icon-desc
                position :absolute
                left : 0
                right : 0
                bottom: 0
                height : .44rem
                line-height :.44rem
                text-align : center
                color: $darkTextColor
                ellipsis()
</style>
